REPORT ON INTEGRATED STEAM POWER PLANT, PHASE 1, PART 3. MAIN PLANT CONTROL SYSTEM
For either of the selected main propulsion plants, two types of plant control were considered: (a) boiler-following and (b) turbine-following. The boiler-following mode is the accepted practice in marine power plants where the boiler follows turbine load changes. With the turbine-following concept, a manually-set speed demand signal would establish the boiler firing rate and the turbine would follow up by accepting the steam as it is generated. From these studies it was concluded that with the turbine-following mode, closer control of boiler steam pressure, boiler drum water level and steam temperature is obtained. Overfiring and underfiring of the boiler is minimized. However, this improvement is gained only by sacrificing overall rate of response of the plant and with a more complex control system than that required for boiler following. Based on a review of the two modes of control, it is recommended that boiler-following be considered the primary method of control, regardless of the means of main propulsion.
- See also PB-177850.
Newport News Shipbuilding and Drydock CompanyEngineering Technical Department
Newport News, VA United States
- Publication Date: 1962-9
- Pagination: 80 p.
- TRT Terms: Automatic control; Combustion; Steam power plants; Voyage management systems
- Old TRIS Terms: Combustion control
- Subject Areas: Marine Transportation; Vehicles and Equipment;
- Accession Number: 00027634
- Record Type: Publication
- Source Agency: National Technical Information Service
- Report/Paper Numbers: N-4-1-Phase 1-Part 3
- Contract Numbers: MA-2967
- Files: TRIS
- Created Date: Jul 31 1973 12:00AM